Which item or items may contribute to asthma nitrogen oxide carbon monoxide oxygen and particle matter nitrogen oxygen and carbon monoxide

carbon monoxide is poisonous to humans and will definitely contribute to the severity of a person's asthma. Particle matter can range from smoke from cigarettes, to pollen; it can cause asthma.

Explanation:

a mother eats twice as much to support her growing fetus

limiting sugar intake in a mother with gestational diabetes, switching from diving to swimming.   depending on whether the patient is normal weight, over weight or gain will differ depending on that.

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